def start_positioning(self):
self.show()
if settings.get_allow_floating():
trackers.timer_tracker_get().cancel(str(self) + "positioning")
trackers.timer_tracker_get().start_seconds(str(self) + "positioning",
POSITIONING_TIMEOUT,
self.positioning_callback)
def start_positioning(self):
self.show()
if settings.get_allow_floating():
trackers.timer_tracker_get().cancel(str(self) + "positioning")
trackers.timer_tracker_get().start_seconds(
str(self) + "positioning", POSITIONING_TIMEOUT,
self.positioning_callback)
def stop_positioning(self):
if settings.get_allow_floating():
trackers.timer_tracker_get().cancel(str(self) + "positioning")
def position_overlay_child(self, overlay, child, allocation):
"""
Callback for our GtkOverlay, think of this as a mini-
window manager for our Stage.
Depending on what type child is, we position it differently.
We always call child.get_preferred_size() whether we plan to use
it or not - this prevents allocation warning spew, particularly in
Gtk >= 3.20.
Returning True says, yes draw it. Returning False tells it to skip
drawing.
If a new widget type is introduced that spawns directly on the stage,
it must have its own handling code here.
"""
if isinstance(child, MonitorView):
"""
MonitorView is always the size and position of its assigned monitor.
This is calculated and stored by the child in child.rect)
"""
w, h = child.get_preferred_size()
allocation.x = child.rect.x
allocation.y = child.rect.y
allocation.width = child.rect.width
allocation.height = child.rect.height
return True
if isinstance(child, UnlockDialog):
"""
UnlockDialog always shows on the currently focused monitor (the one the
mouse is currently in), and is kept centered.
"""
monitor = status.screen.get_mouse_monitor()
monitor_rect = status.screen.get_monitor_geometry(monitor)
min_rect, nat_rect = child.get_preferred_size()
allocation.width = nat_rect.width
allocation.height = nat_rect.height
allocation.x = monitor_rect.x + (monitor_rect.width / 2) - (allocation.width / 2)
allocation.y = monitor_rect.y + (monitor_rect.height / 2) - (allocation.height / 2)
return True
if isinstance(child, ClockWidget) or isinstance(child, AlbumArt):
"""
ClockWidget and AlbumArt behave differently depending on if status.Awake is True or not.
The widgets' halign and valign properties are used to store their gross position on the
monitor. This limits the number of possible positions to (3 * 3 * n_monitors) when our
screensaver is not Awake, and the widgets have an internal timer that randomizes halign,
valign, and current monitor every so many seconds, calling a queue_resize on itself after
each timer tick (which forces this function to run).
"""
min_rect, nat_rect = child.get_preferred_size()
if status.Awake:
current_monitor = status.screen.get_mouse_monitor()
else:
current_monitor = child.current_monitor
monitor_rect = status.screen.get_monitor_geometry(current_monitor)
region_w = monitor_rect.width / 3
region_h = monitor_rect.height / 3
if status.Awake:
"""
If we're Awake, force the clock to track to the active monitor, and be aligned to
the left-center. The albumart widget aligns right-center.
"""
unlock_mw, unlock_nw = self.unlock_dialog.get_preferred_width()
"""
If, for whatever reason, we need more than 1/3 of the screen to fully display
the unlock dialog, reduce our available region width to accomodate it, reducing
the allocation for the floating widgets as required.
"""
if (unlock_nw > region_w):
region_w = (monitor_rect.width - unlock_nw) / 2
if isinstance(child, ClockWidget):
child.set_halign(Gtk.Align.START)
else:
child.set_halign(Gtk.Align.END)
child.set_valign(Gtk.Align.CENTER)
else:
if settings.get_allow_floating():
for floater in self.floaters:
"""
Don't let our floating widgets end up in the same spot.
"""
if floater is child:
continue
if floater.get_halign() != child.get_halign() and floater.get_valign() != child.get_valign():
continue
fa = floater.get_halign()
ca = child.get_halign()
while fa == ca:
ca = ALIGNMENTS[random.randint(0, 2)]
child.set_halign(ca)
fa = floater.get_valign()
ca = child.get_valign()
while fa == ca:
ca = ALIGNMENTS[random.randint(0, 2)]
child.set_valign(ca)
# Restrict the widget size to the allowable region sizes if necessary.
allocation.width = min(nat_rect.width, region_w)
allocation.height = min(nat_rect.height, region_h)
# Calculate padding required to center widgets within their particular 1/9th of the monitor
padding_left = padding_right = (region_w - allocation.width) / 2
padding_top = padding_bottom = (region_h - allocation.height) / 2
halign = child.get_halign()
valign = child.get_valign()
if halign == Gtk.Align.START:
allocation.x = monitor_rect.x + padding_left
elif halign == Gtk.Align.CENTER:
allocation.x = monitor_rect.x + (monitor_rect.width / 2) - (allocation.width / 2)
elif halign == Gtk.Align.END:
allocation.x = monitor_rect.x + monitor_rect.width - allocation.width - padding_right
if valign == Gtk.Align.START:
allocation.y = monitor_rect.y + padding_top
elif valign == Gtk.Align.CENTER:
allocation.y = monitor_rect.y + (monitor_rect.height / 2) - (allocation.height / 2)
elif valign == Gtk.Align.END:
allocation.y = monitor_rect.y + monitor_rect.height - allocation.height - padding_bottom
return True
if isinstance(child, AudioPanel):
"""
The AudioPanel is only shown when Awake, and attaches
itself to the upper-left corner of the active monitor.
"""
min_rect, nat_rect = child.get_preferred_size()
if status.Awake:
current_monitor = status.screen.get_mouse_monitor()
monitor_rect = status.screen.get_monitor_geometry(current_monitor)
allocation.x = monitor_rect.x
allocation.y = monitor_rect.y
allocation.width = nat_rect.width
allocation.height = nat_rect.height
else:
allocation.x = child.rect.x
allocation.y = child.rect.y
allocation.width = nat_rect.width
allocation.height = nat_rect.height
return True
if isinstance(child, InfoPanel):
"""
The InfoPanel can be shown while not Awake, but only if we're not running
a screensaver plugin. In any case, it will only appear if a) We have received
notifications while the screensaver is running, or b) we're either on battery
or plugged in but with a non-full battery. It attaches itself to the upper-right
corner of the monitor.
"""
min_rect, nat_rect = child.get_preferred_size()
if status.Awake:
current_monitor = status.screen.get_mouse_monitor()
monitor_rect = status.screen.get_monitor_geometry(current_monitor)
allocation.x = monitor_rect.x + monitor_rect.width - nat_rect.width
allocation.y = monitor_rect.y
allocation.width = nat_rect.width
allocation.height = nat_rect.height
else:
allocation.x = child.rect.x + child.rect.width - nat_rect.width
allocation.y = child.rect.y
allocation.width = nat_rect.width
allocation.height = nat_rect.height
return True
return False
def position_overlay_child(self, overlay, child, allocation):
"""
Callback for our GtkOverlay, think of this as a mini-
window manager for our Stage.
Depending on what type child is, we position it differently.
We always call child.get_preferred_size() whether we plan to use
it or not - this prevents allocation warning spew, particularly in
Gtk >= 3.20.
Returning True says, yes draw it. Returning False tells it to skip
drawing.
If a new widget type is introduced that spawns directly on the stage,
it must have its own handling code here.
"""
if isinstance(child, MonitorView):
"""
MonitorView is always the size and position of its assigned monitor.
This is calculated and stored by the child in child.rect)
"""
w, h = child.get_preferred_size()
allocation.x = child.rect.x
allocation.y = child.rect.y
allocation.width = child.rect.width
allocation.height = child.rect.height
return True
if isinstance(child, UnlockDialog):
"""
UnlockDialog always shows on the currently focused monitor (the one the
mouse is currently in), and is kept centered.
"""
monitor = status.screen.get_mouse_monitor()
monitor_rect = status.screen.get_monitor_geometry(monitor)
min_rect, nat_rect = child.get_preferred_size()
allocation.width = nat_rect.width
allocation.height = nat_rect.height
allocation.x = monitor_rect.x + (monitor_rect.width /
2) - (allocation.width / 2)
allocation.y = monitor_rect.y + (monitor_rect.height /
2) - (allocation.height / 2)
return True
if isinstance(child, ClockWidget) or isinstance(child, AlbumArt):
"""
ClockWidget and AlbumArt behave differently depending on if status.Awake is True or not.
The widgets' halign and valign properties are used to store their gross position on the
monitor. This limits the number of possible positions to (3 * 3 * n_monitors) when our
screensaver is not Awake, and the widgets have an internal timer that randomizes halign,
valign, and current monitor every so many seconds, calling a queue_resize on itself after
each timer tick (which forces this function to run).
"""
min_rect, nat_rect = child.get_preferred_size()
if status.Awake:
current_monitor = status.screen.get_mouse_monitor()
else:
current_monitor = child.current_monitor
monitor_rect = status.screen.get_monitor_geometry(current_monitor)
region_w = monitor_rect.width / 3
region_h = monitor_rect.height
if status.Awake:
"""
If we're Awake, force the clock to track to the active monitor, and be aligned to
the left-center. The albumart widget aligns right-center.
"""
unlock_mw, unlock_nw = self.unlock_dialog.get_preferred_width()
"""
If, for whatever reason, we need more than 1/3 of the screen to fully display
the unlock dialog, reduce our available region width to accomodate it, reducing
the allocation for the floating widgets as required.
"""
if (unlock_nw > region_w):
region_w = (monitor_rect.width - unlock_nw) / 2
region_h = monitor_rect.height
if isinstance(child, ClockWidget):
child.set_halign(Gtk.Align.START)
else:
child.set_halign(Gtk.Align.END)
child.set_valign(Gtk.Align.CENTER)
else:
if settings.get_allow_floating():
for floater in self.floaters:
"""
Don't let our floating widgets end up in the same spot.
"""
if floater is child:
continue
if floater.get_halign() != child.get_halign(
) and floater.get_valign() != child.get_valign():
continue
region_h = monitor_rect.height / 3
fa = floater.get_halign()
ca = child.get_halign()
while fa == ca:
ca = ALIGNMENTS[random.randint(0, 2)]
child.set_halign(ca)
fa = floater.get_valign()
ca = child.get_valign()
while fa == ca:
ca = ALIGNMENTS[random.randint(0, 2)]
child.set_valign(ca)
# Restrict the widget size to the allowable region sizes if necessary.
allocation.width = min(nat_rect.width, region_w)
allocation.height = min(nat_rect.height, region_h)
# Calculate padding required to center widgets within their particular 1/9th of the monitor
padding_left = padding_right = (region_w - allocation.width) / 2
padding_top = padding_bottom = (region_h - allocation.height) / 2
halign = child.get_halign()
valign = child.get_valign()
if halign == Gtk.Align.START:
allocation.x = monitor_rect.x + padding_left
elif halign == Gtk.Align.CENTER:
allocation.x = monitor_rect.x + (monitor_rect.width /
2) - (allocation.width / 2)
elif halign == Gtk.Align.END:
allocation.x = monitor_rect.x + monitor_rect.width - allocation.width - padding_right
if valign == Gtk.Align.START:
allocation.y = monitor_rect.y + padding_top
elif valign == Gtk.Align.CENTER:
allocation.y = monitor_rect.y + (monitor_rect.height /
2) - (allocation.height / 2)
elif valign == Gtk.Align.END:
allocation.y = monitor_rect.y + monitor_rect.height - allocation.height - padding_bottom
return True
if isinstance(child, AudioPanel):
"""
The AudioPanel is only shown when Awake, and attaches
itself to the upper-left corner of the active monitor.
"""
min_rect, nat_rect = child.get_preferred_size()
if status.Awake:
current_monitor = status.screen.get_mouse_monitor()
monitor_rect = status.screen.get_monitor_geometry(
current_monitor)
allocation.x = monitor_rect.x
allocation.y = monitor_rect.y
allocation.width = nat_rect.width
allocation.height = nat_rect.height
else:
allocation.x = child.rect.x
allocation.y = child.rect.y
allocation.width = nat_rect.width
allocation.height = nat_rect.height
return True
if isinstance(child, InfoPanel):
"""
The InfoPanel can be shown while not Awake, but will only appear if a) We have received
notifications while the screensaver is running, or b) we're either on battery
or plugged in but with a non-full battery. It attaches itself to the upper-right
corner of the monitor.
"""
min_rect, nat_rect = child.get_preferred_size()
if status.Awake:
current_monitor = status.screen.get_mouse_monitor()
monitor_rect = status.screen.get_monitor_geometry(
current_monitor)
allocation.x = monitor_rect.x + monitor_rect.width - nat_rect.width
allocation.y = monitor_rect.y
allocation.width = nat_rect.width
allocation.height = nat_rect.height
else:
allocation.x = child.rect.x + child.rect.width - nat_rect.width
allocation.y = child.rect.y
allocation.width = nat_rect.width
allocation.height = nat_rect.height
return True
if isinstance(child, OnScreenKeyboard):
"""
The InfoPanel can be shown while not Awake, but will only appear if a) We have received
notifications while the screensaver is running, or b) we're either on battery
or plugged in but with a non-full battery. It attaches itself to the upper-right
corner of the monitor.
"""
min_rect, nat_rect = child.get_preferred_size()
current_monitor = status.screen.get_mouse_monitor()
monitor_rect = status.screen.get_monitor_geometry(current_monitor)
allocation.x = monitor_rect.x
allocation.y = monitor_rect.y + monitor_rect.height - (
monitor_rect.height / 3)
allocation.width = monitor_rect.width
allocation.height = monitor_rect.height / 3
return True
return False
def stop_positioning(self):
if settings.get_allow_floating():
trackers.timer_tracker_get().cancel(str(self) + "positioning")
